Tully, Jeryldine. "Community Profile : A Tale of Two Cities—Hannibal, Mo./Quincy, Ill.," in Federal Reserve Bank of St. Louis. "October 1999," Regional Economist : A Quarterly Review of Business and Economic Conditions (October 1999) : 2-5. https://fraser.stlouisfed.org/title/6275/item/601799/toc/584303 , accessed on May 8, 2024.